Mr. Spread, I have a few questions:
1. Can I start MN on VPS, but keep coins on my local wallet?
2. When will launch in the minenet?
1. Yes, you can use mnsecret command to generate secret required to run masternode (it is only for running the masternode, it doesn't allow to spend its coins).
e.g.:
mnsecret e9fd4b14508dc514a1344c5ea29903a17e645304d247002f189910ac0a755f7e:0
where argument is output (you can copy it from masternodes page)
Then add
mnstart=...
to your spreadcoin.conf where ... will be your generated secret.
2. At least instant transactions must be finished before that.